<template>
	<view class="u-wrap">
		<view style="background-color: #3277fc;" :style='{paddingTop:`${rect.top}px`}'>
			<view style="padding-bottom: 20rpx;width: 60%;padding-left: 20rpx;">
				<u-search placeholder="搜索内容" v-model="params.key" :showAction='false' height='60' bgColor='#fff'
					color='#000' searchIcon='search' placeholderColor='#000' searchIconColor='#000' @search="search()">
				</u-search>
			</view>
		</view>
		<view class="u-menu-wrap ">
			<scroll-view scroll-y scroll-with-animation class="u-tab-view menu-scroll-view" :scroll-top="scrollTop"
				:scroll-into-view="itemId">
				<view v-for="(item,index) in tabbar" :key="index" class="u-tab-item"
					:class="[current == index ? 'u-tab-item-active' : '']" @tap.stop="swichMenu(index,item.value)">
					<text class="u-line-2">{{item.label}}</text>
				</view>
			</scroll-view>
			<scroll-view :scroll-top="scrollRightTop" scroll-y scroll-with-animation class="right-box"
				@scroll="rightScroll">
				<view style="border-bottom:2rpx solid #eee;">
					<cc-dropDownMenu :titleArr="titleArr" :dropArr="dropArr"
						@finishDropClick="finishClick"></cc-dropDownMenu>
				</view>
				<view style="padding:0 20rpx;" v-if="shopList.length!=0">
					<view v-for="(item,index) in shopList" :key="index"
						style="padding: 20rpx 0;border-bottom: 2rpx solid #eee;display: flex;"
						@click='goDetail(item.id)'>
						<image :src="item.image" mode="" style="width: 38%;height: 200rpx;border-radius: 20rpx;">
						</image>
						<view style="margin-left: 20rpx;width: 60%;">
							<view
								style="color: #000;font-size: 28rpx;width:100%;overflow:hidden;white-space: nowrap;text-overflow: ellipsis;-o-text-overflow:ellipsis;font-weight: 700;">
								{{item.name}}</view>
							<view
								style="display: flex;justify-content:space-between;align-items: center;margin-top: 8rpx;">
								<view style="display: flex;align-items: center;margin: 8rpx 0;">
									<view style="font-size:24rpx;color: #a9a9a9;">{{item.beginTime}}</view>
									<view style="font-size: 24rpx;color: #a9a9a9;margin-left: 20rpx;">{{item.week}}
									</view>
								</view>
								<view style="font-size: 24rpx;color: #a9a9a9;">{{item.city}}</view>
							</view>
							<view
								style="color: red;font-size: 22rpx;background-color: #fbebea;padding: 10rpx;border-radius: 10rpx;text-align: center;margin: 8rpx 0;"
								v-if='item.people<item.makeNum'>截止: {{item.beginTimeShort}}</view>
							<view
								style="color: #fdc066;font-size: 22rpx;background-color: #feeed6;padding: 10rpx;width:160rpx;border-radius: 10rpx;text-align: center;margin: 8rpx 0;"
								v-if="item.people> item.makeNum&&item.people-item.makeNum<=30">
								仅剩{{item.people - item.makeNum}}位名额</view>
							<view style="display: flex;align-items: center;justify-content: space-between;"
								:style="{marginTop:item.people-item.makeNum>0&&item.people-item.makeNum<=30||item.people<item.makeNum?'':'60rpx'}">
								<view style="display: flex;align-items: center;">
									<view
										style="font-size: 20rpx;border: 2rpx solid #fc6161;color: #fc6161;padding:4rpx 6rpx 6rpx 6rpx;border-radius: 58rpx;margin-right: 10rpx;"
										v-if="item.people==item.makeNum">满</view>
									<view
										style="font-size: 20rpx;border: 2rpx solid #fc6161;color: #fc6161;padding:4rpx 6rpx 6rpx 6rpx;border-radius: 58rpx;margin-right: 10rpx;"
										v-if="item.people<item.makeNum">超</view>
									<view style="font-size: 24rpx;color:#75a3fd;">{{item.makeNum}}</view>
									<view style="font-size: 24rpx;color: #a9a9a9;">/{{item.people}}</view>
								</view>

								<view v-if="item.isMake!=null">
									<view
										style="padding: 12rpx 54rpx;background-color:#3277fc;color: #fff;font-size: 22rpx;border-radius: 28rpx;"
										v-if='item.isMake==1&item.statue==0'
										@click.stop="goCard(`/pages/sub/store/application?orderId=${item.orderId}&Id=${item.id}`)">
										报名 </view>
									<view
										style="padding: 10rpx 40rpx;border:2rpx solid #77a4fc;color:#77a4fc;font-size: 22rpx;border-radius: 28rpx;"
										v-if='item.isMake==0&item.statue==0' @click.stop="showTow('你已报名参加,请暂且等待会议开始')">
										已报名</view>
									<view
										style="padding: 10rpx 40rpx;background-color: #b7c3c7;color: #fff;font-size: 22rpx;border-radius: 28rpx;"
										v-if='item.statue==2' @click.stop="showTow('会议已结束了哦,请看看其他会议吧')">已结束</view>
									<view
										style="padding: 10rpx 40rpx;background-color:#fcab32;color: #fff;font-size: 22rpx;border-radius: 28rpx;"
										v-if='item.statue==1' @click.stop="showTow('会议已开始')">进行中</view>
								</view>
								<view v-else>
									<view
										style="padding: 12rpx 54rpx;background-color: red;color: #fff;font-size: 22rpx;border-radius: 28rpx;"
										@click.stop="goCard(`/pages/sub/store/application?orderId=${item.orderId}&Id=${item.id}`)">
										报名 </view>
								</view>
							</view>
						</view>
					</view>
				</view>
				<view v-else>
					<u-empty mode="list" icon="http://cdn.uviewui.com/uview/empty/list.png" text='列表为空'>
					</u-empty>
				</view>
			</scroll-view>
		</view>
		<!-- <view style="height: 120rpx;"></view> -->
		<!-- <Tabbar :current-page='0'></Tabbar> -->
	</view>
</template>
<script>
	import {
		getChildList,
		getIndexList
	} from "@/api/make.js"
	import {
		goNav
	} from '@/lib/Comment.js'
	import navbar from '@/components/baseNavbar.vue'
	import {
		getConfig
	} from "@/api/public.js"
	export default {
		components: {
			navbar
		},
		data() {
			return {
				key: '',
				rect: {},
				scrollTop: 0, //tab标题的滚动条位置
				oldScrollTop: 0,
				current: 0, // 预设当前项的值
				menuHeight: 0, // 左边菜单的高度
				menuItemHeight: 0, // 左边菜单item的高度
				itemId: '', // 栏目右边scroll-view用于滚动的id
				tabbar: [],
				menuItemPos: [],
				arr: [],
				scrollRightTop: 0, // 右边栏目scroll-view的滚动条高度
				timer: null, // 定时器
				params: {
					key: '',
					limit: 10,
					page: 1,
					statue: '',
					city: '',
					district: '',
					beginTime: '',
					cateld: '',
					childCateId: '',
					load: true,

				},
				shopList: [],
				titleArr: ['区域', '状态', '时间'],
				dropArr: [
					// 区域
					[],
					[{
						text: '全部',
						value: ""
					}, {
						text: '预约中',
						value: 0

					}, {
						text: '进行中',
						value: 1
					}, {
						text: "己结束",
						value: 2
					}],
					// 户型
					[]

				],
			}
		},
		onLoad() {
			this.dropArr[0] = uni.getStorageSync('address')
			this.params.city = uni.getStorageSync('city')
			this.getNavList()
			this.resetList()
		},
		onShow() {
			this.rect = uni.getMenuButtonBoundingClientRect();
		},
		onReady() {
			this.getMenuItemTop()
			this.rect = uni.getMenuButtonBoundingClientRect();
		},
		methods: {
			showTow(text) {
				uni.showToast({
					icon: 'none',
					title: text
				})
			},
			goCard(url, appid) {
				if (appid) {
					uni.navigateToMiniProgram({
						appId: appid,
						path: url,
						envVersion: 'release'
					})
				} else {
					goNav(url)
				}

			},
			goDetail(id) {
				uni.navigateTo({
					url: "/pages/sub/store/detail?id=" + id
				})
			},
			search(value) {
				this.params.key = value
				console.log('11', this.params);
				this.resetList()
			},
			finishClick(e) {
				if (e[0] != '') {
					if (e[0].id) {
						this.params.district = ''
					} else {
						this.params.district = e[0].text.replace('', '')
					}
				}
				this.params.beginTime = e[2].replace('', '')
				if (e[1] != '') {
					this.params.statue = e[1].value
				}
				console.log('参数', this.params);
				this.resetList()
			},
			resetList() {
				this.params.page = 1
				this.shopList = []
				this.getList()
			},
			getList() {
				if (!this.params.load) {
					return;

				}
				this.params.load = false;

				getIndexList(this.params).then(res => {
					this.params.page++
					this.shopList = this.shopList.concat(res.data.list)

					this.params.load = true
					this.params.key = ''
				})

			},
			getNavList() {
				getChildList().then(res => {
					this.tabbar = [{
						label: '全部',
						value: ''
					}, ...res.data]
				})
			},
			// 点击左边的栏目切换
			async swichMenu(index, value) {
				if (this.arr.length == 0) {
					await this.getMenuItemTop();
				}
				if (index == this.current) return;
				this.scrollRightTop = this.oldScrollTop;
				this.$nextTick(function() {
					this.scrollRightTop = this.arr[index];
					this.current = index;
					this.params.childCateId = value
					this.leftMenuStatus(index);
					this.resetList()
				})
			},
			// 获取一个目标元素的高度
			getElRect(elClass, dataVal) {
				new Promise((resolve, reject) => {
					const query = uni.createSelectorQuery().in(this);
					query.select('.' + elClass).fields({
						size: true
					}, res => {
						// 如果节点尚未生成，res值为null，循环调用执行
						if (!res) {
							setTimeout(() => {
								this.getElRect(elClass);
							}, 10);
							return;
						}
						this[dataVal] = res.height;
						resolve();
					}).exec();
				})
			},
			// 观测元素相交状态
			async observer() {
				this.tabbar.map((val, index) => {
					let observer = uni.createIntersectionObserver(this);
					// 检测右边scroll-view的id为itemxx的元素与right-box的相交状态
					// 如果跟.right-box底部相交，就动态设置左边栏目的活动状态
					observer.relativeTo('.right-box', {
						top: 0
					}).observe('#item' + index, res => {
						if (res.intersectionRatio > 0) {
							let id = res.id.substring(4);
							this.leftMenuStatus(id);
						}
					})
				})
			},
			// 设置左边菜单的滚动状态
			async leftMenuStatus(index) {
				this.current = index;
				// 如果为0，意味着尚未初始化
				if (this.menuHeight == 0 || this.menuItemHeight == 0) {
					await this.getElRect('menu-scroll-view', 'menuHeight');
					await this.getElRect('u-tab-item', 'menuItemHeight');
				}
				// 将菜单活动item垂直居中
				this.scrollTop = index * this.menuItemHeight + this.menuItemHeight / 2 - this.menuHeight / 2;
			},
			// 获取右边菜单每个item到顶部的距离
			getMenuItemTop() {
				new Promise(resolve => {
					let selectorQuery = uni.createSelectorQuery();
					selectorQuery.selectAll('.class-item').boundingClientRect((rects) => {
						// 如果节点尚未生成，rects值为[](因为用selectAll，所以返回的是数组)，循环调用执行
						if (!rects.length) {
							setTimeout(() => {
								this.getMenuItemTop();
							}, 10);
							return;
						}
						rects.forEach((rect) => {
							console.log("rects[0].top>>>", rects[0].top)
							// 这里减去rects[0].top，是因为第一项顶部可能不是贴到导航栏(比如有个搜索框的情况)
							this.arr.push(rect.top - rects[0].top);
							resolve();
						})
					}).exec()
				})
			},
			// 右边菜单滚动
			async rightScroll(e) {
				console.log('滚动》》》》》》》》》》》》》》')
				this.oldScrollTop = e.detail.scrollTop;
				if (this.arr.length == 0) {
					await this.getMenuItemTop();
				}
				if (this.timer) return;
				if (!this.menuHeight) {
					await this.getElRect('menu-scroll-view', 'menuHeight');
				}
				setTimeout(() => { // 节流
					this.timer = null;
					// scrollHeight为右边菜单垂直中点位置
					let scrollHeight = e.detail.scrollTop + this.menuHeight / 2;
					for (let i = 0; i < this.arr.length; i++) {
						let height1 = this.arr[i];
						let height2 = this.arr[i + 1];
						// 如果不存在height2，意味着数据循环已经到了最后一个，设置左边菜单为最后一项即可
						if (!height2 || scrollHeight >= height1 && scrollHeight < height2) {
							this.leftMenuStatus(i);
							return;
						}
					}
				}, 10)
			}
		}
	}
</script>

<style lang="scss" scoped>
	.u-wrap {
		height: calc(100vh);
		/* #ifdef H5 */
		height: calc(100vh - var(--window-top));
		/* #endif */
		display: flex;
		flex-direction: column;
	}

	.hot-text {
		font-size: 28rpx;
		letter-spacing: 6rpx;
		height: 60rpx;
		line-height: 60rpx;
		margin-bottom: 20rpx;
		border: 1rpx solid #bcbcbc;
		padding: 0 20rpx;
		margin-right: 25rpx;
	}

	.u-search-box {
		padding: 18rpx 30rpx;
		background-color: #e9f1f8;
	}

	.u-menu-wrap {
		flex: 1;
		display: flex;
		flex-direction: row;
		justify-content: flex-start;
		overflow: hidden;
	}

	.u-search-inner {
		background-color: rgb(234, 234, 234);
		border-radius: 100rpx;
		display: flex;
		align-items: center;
		padding: 10rpx 16rpx;
	}

	.u-search-text {
		font-size: 26rpx;
		color: $u-tips-color;
		margin-left: 10rpx;
	}

	.u-tab-view {
		width: 200rpx;
		height: 100%;
		background-color: #f1f1f1;
	}

	.u-tab-item {
		height: 110rpx;
		background: #f6f6f6;
		box-sizing: border-box;
		display: flex;
		align-items: center;
		justify-content: center;
		font-size: 26rpx;
		color: #444;
		font-weight: 400;
		line-height: 1;
		padding-left: 10rpx;
	}

	.u-tab-item-active {
		position: relative;
		color: #538dfd;
		font-size: 30rpx;
		font-weight: 600;
		background: #e8f0ff;
	}

	.u-tab-item-active::before {
		content: "";
		position: absolute;
		border-left: 2px solid #3277fc;
		height: 100%;
		left: 0;
	}

	.u-tab-view {
		height: 100%;
	}

	.right-box {
		background-color: #fff;
	}


	.class-item {
		margin-bottom: 30rpx;
		background-color: #fff;
		padding: 16rpx;
		border-radius: 8rpx;
	}

	.class-item:last-child {
		min-height: 100vh;
	}

	.item-title {
		font-size: 26rpx;
		color: #cacaca;
	}

	.item-menu-name {
		font-weight: normal;
		font-size: 24rpx;
		color: $u-main-color;
	}

	.item-container {
		display: flex;
		flex-wrap: wrap;
	}

	.thumb-box {
		width: 100%;
		margin-top: 20rpx;
		align-items: flex-start;
		height: 180rpx;
	}
</style>